The purpose of the study is to investigate the recognition of multicultural English assistant teachers and explore the necessity for and improvements to the multicultural English assistant teacher program. For this purpose, a survey was conducted on 48 Korean co-teachers from 17 schools in Gyeongsangnamdo. The results were as follows: First, preparing for class is usually performed through a discussion between multicultural assistant teachers and Korean co-teachers. Second, Korean co-teachers were mostly positive on multicultural teachers qualifications and particularly appreciated their efforts. Third, Korean co-teachers have a positive perception of the multicultural English assistant teacher system and feel that the system is necessary for English education.